-9 over anything but zero is a fraction. Division by zero is undefined.
No.
Expressed as a proper fraction in its simplest form, 2/-9 is equal to -(2/9) or negative 2 over 9.
Zero
Negative 29 as a fraction can be written as -29/1. This is because any integer can be expressed as the integer over 1. In this case, -29 is the numerator and 1 is the denominator, indicating that the value is negative and not a fraction in the traditional sense.
Zero.
zero over anything (except zero) = zero
Zero
Yes.
Statement 1 is true but totally unnecessary. As integer is always a rational and you do not need to convert it to a fraction to determine whether or not it is rational. A negative fraction is can be rational or irrational. The fact that it is negative is irrelevant to its rationality. An integer number over a zero denominator is not defined and so cannot be rational or irrational or anything. It just isn't.
No, it's improper.
Yes: negative 41 over 1, 41 over negative 1 or you can write 41 over 1 and put the negative sign to the left of the fraction bar
0. If zero is in any part of a fraction, its zero.